Home / 130,932,377.40-196,398,566.10-79,914,041.40

Finding the Fourth Proportional to 130,932,377.40, 196,398,566.10 and 79,914,041.40

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Solution

The fourth proportional to 130,932,377.40, 196,398,566.10 and 79,914,041.40 is: 119,871,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932,377.40 : 196,398,566.10 = 79,914,041.40 : x
  2. Step 2: Convert to fraction form
    130,932,377.40/196,398,566.10 = 79,914,041.40/x
  3. Step 3: Cross multiply
    130,932,377.40x = 196,398,566.10 × 79,914,041.40
  4. Step 4: Simplify right side
    130,932,377.40x = 15,695,003,142,216,038
  5. Step 5: Solve for x
    x = 15,695,003,142,216,038/130,932,377.40
  6. Step 6: Final answer
    x = 119,871,062.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.